Yoshikazu Iwata

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Carbonizing furnace
- Patent number 4,820,905
- Issue date Apr 11, 1989
- Toho Rayon Co., Ltd.
- Yoshikazu Iwata
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING